Cacajao calvus (I. Geoffroy, 1847) . C. R. Acad. Sci. Paris, 24:576.

TYPE LOCALITY: Brazil, Amazonas, Fonte Boa .

DISTRIBUTION: N. W. Brazil; E. Peru.

COMMENT: Includes rubicundus; see Hershkovitz, 1972, Int. Zoo Yearb., 12:1 -12; but also see Szalay and Delson, 1979:290, who listed it as a distinct species.

PROTECTED STATUS: CITES - Appendix I and U.S. ESA - Endangered as Cacajao spp.

ISIS NUMBER: 5301406006003001001 as C. calvus .

5301406006003003001 as C. rubicundus .